Pith Number

pith:OTIAOML5

pith:2019:OTIAOML5GRCMM6SEDKURTQ5UQZ

not attested not anchored not stored refs pending

Modeling Optical Fiber Space Division Multiplexed Quantum Key Distribution Systems

Francisco Javier Fraile, Ivana Gasulla, Jos\'e Capmany, mario Ure\~na

arxiv:1901.00291 v1 · 2019-01-02 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTIAOML5GRCMM6SEDKURTQ5UQZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:50:22.067873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d007317d3444c67a441aa919c3b4866c13dc515701537f307d048aecece394

Aliases

arxiv: 1901.00291 · arxiv_version: 1901.00291v1 · doi: 10.48550/arxiv.1901.00291 · pith_short_12: OTIAOML5GRCM · pith_short_16: OTIAOML5GRCMM6SE · pith_short_8: OTIAOML5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OTIAOML5GRCMM6SEDKURTQ5UQZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 74d007317d3444c67a441aa919c3b4866c13dc515701537f307d048aecece394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8371c591087217b0b45b6bad6deffb74172d98ffc58422ce3dcb5ac22fe840f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-02T08:31:29Z",
    "title_canon_sha256": "907141f395aa32e15d2484872a7d89e798d333a79c955050c7aea566f613f533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00291",
    "kind": "arxiv",
    "version": 1
  }
}